CM6327A
USB Single-Chip Audio Solution for Mono Microphone
0x0a
0x0b
Reserved
Manufacture string 1 length: this number doesn’t include the first 2 bytes of the
string descriptor, and its unit is one Unicode word (EEPROM_OPTION_A)
Product string 2 length: this number doesn’t include the first 2 bytes of the
string descriptor, and its unit is one Unicode word (EEPROM_OPTION_B)
Serial number string 3 length: this number doesn’t include the first 2 bytes of
the string descriptor and its unit is one Unicode word (EEPROM_OPTION_C)
VID (low byte) (EEPROM_OPTION_D)
0x0c
0x0d
0x0e
0x0f
0x10
0x11
VID (high byte) (EEPROM_OPTION_E)
PID (low byte) (EEPROM_OPTION_F)
PID (high byte) (EEPROM_OPTION_10)
misce reg (EEPROM_OPTION_11)
Bit0: Boot gain (volume boot gain 18dB; using digmic boost gain =18dB)
Bit1: Enable PLL adjustment (0: No, 1: Yes)
Bit2: Reserved (0 : default )
0x12
0x13
Reserved
0x14 ~ 0x4f
Reserved (60 bytes)
Manufacture string (X bytes): only fill one byte of Unicode in this content, HW
will add the other byte 0x00
0x50 ~0x(50+X-1)
0x(50+X)~
0x(50+X+Y-1)
0x(50+X+Y)~
0x(50+X+Y+Z-1)
Others
Product string (Y bytes): only fill one byte of Unicode in this content, HW will
add the other byte 0x00
Serial number string (Z bytes): only fill one byte of Unicode in this content, HW
will add the other byte 0x00
Reserved
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